207946791

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 354816000

約数和(自身を除く): 146869209

約数列:

[1, 3, 9, 13, 27, 29, 31, 39, 87, 93, 117, 261, 279, 351, 377, 403, 659, 783, 837, 899, 1131, 1209, 1977, 2697, 3393, 3627, 5931, 8091, 8567, 10179, 10881, 11687, 17793, 19111, 20429, 24273, 25701, 35061, 57333, 61287, 77103, 105183, 171999, 183861, 231309, 248443, 265577, 315549, 515997, 551583, 592441, 745329, 796731, 1777323, 2235987, 2390193, 5331969, 6707961, 7170579, 7701733, 15995907, 23105199, 69315597, 207946791]

約数ペア:

[(1, 207946791), (3, 69315597), (9, 23105199), (13, 15995907), (27, 7701733), (29, 7170579), (31, 6707961), (39, 5331969), (87, 2390193), (93, 2235987), (117, 1777323), (261, 796731), (279, 745329), (351, 592441), (377, 551583), (403, 515997), (659, 315549), (783, 265577), (837, 248443), (899, 231309), (1131, 183861), (1209, 171999), (1977, 105183), (2697, 77103), (3393, 61287), (3627, 57333), (5931, 35061), (8091, 25701), (8567, 24273), (10179, 20429), (10881, 19111), (11687, 17793)]